| Start_rate | End_rate | #_of_days | Dates |
| $3.125 | $6.25 | 194 | 2011-12-01 to 2012-06-15 |
| $6.25 | $12.5 | 163 | 2012-06-15 to 2012-11-25 |
| $12.5 | $25 | 79 | 2012-11-25 to 2013-02-12 |
| $25 | $50 | 30 | 2013-02-12 to 2013-03-18 |
| $50 | $100 | 14 | 2013-03-18 to 2013-04-01 |
| $100 | $200 | 8 | 2013-04-01 to 2013-04-09 |
So... we would have exponential (et) growth if the #_of_days was constant... but now it's halving every time the value doubles. I'm not going to figure out the formula for that, but it seems that if this development continues, we reach the singularity in 8 days. Ladies and gentlemen, I hereby forecast that by 17th of April, Bitcoin is infinitely valuable.
Of course, some other factors might come into play before that.
I like your thinking.
My wife (whose birthday that day shall be) will be expecting an exceptionally expensive gift.
How about North Korea, turned into an ornamental garden?